{
  "$type": "site.standard.document",
  "description": "A cathode active material for a lithium-ion secondary battery contains a lithium transition metal composite oxide. The lithium transition metal composite oxide mainly contains a crystal structure belonging to the space group R-3m, and the following relationship is satisfied: “a≤2.876 Å,” where a…",
  "path": "/patents/1426609",
  "publishedAt": "2026-06-25T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M4/525",
    "TOYOTA JIDOSHA KABUSHIKI KAISHA"
  ],
  "textContent": "A cathode active material for a lithium-ion secondary battery contains a lithium transition metal composite oxide. The lithium transition metal composite oxide mainly contains a crystal structure belonging to the space group R-3m, and the following relationship is satisfied: “a≤2.876 Å,” where a represents a lattice constant in the a-axis direction of the lithium transition metal composite oxide.",
  "title": "CATHODE ACTIVE MATERIAL FOR LITHIUM-ION SECONDARY BATTERY"
}